Home / 175,638.15-263,456.15-57,309.57

Finding the Fourth Proportional to 175,638.15, 263,456.15 and 57,309.57

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Solution

The fourth proportional to 175,638.15, 263,456.15 and 57,309.57 is: 85,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,638.15 : 263,456.15 = 57,309.57 : x
  2. Step 2: Convert to fraction form
    175,638.15/263,456.15 = 57,309.57/x
  3. Step 3: Cross multiply
    175,638.15x = 263,456.15 × 57,309.57
  4. Step 4: Simplify right side
    175,638.15x = 15,098,558,383.81
  5. Step 5: Solve for x
    x = 15,098,558,383.81/175,638.15
  6. Step 6: Final answer
    x = 85,964.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.